Safety device for apparatus for forced lubrication in combustion engines



2 1 0 1,637,412 Aug v 927 J. ElLERs SAFETY DEVICE FOR APPARATUS FOR FORCED LUBRICATION IN COMBUSTION ENGINES med Feb. s, 1927 /A/VE/vmR dam E /76/19 'by L@ fv( Patented 2,

AUNITED STATES PATENT OFFICE. A

JAN EILEBS., F IEESTEB CORNELIS, J' AVA,

HALF T0 TJOEN SIANG IE,`OF CORNELIS, JAVA,

'SAFETY DEVICE FOB APPARATUS FOB FORCED LUBBICATION 1N ,COLBUSTION' ENGINES.

Application med February 3, 1927, Serial No.

The invention relates to a safety device for apparatus for forced lubrication in combustion engines, comprising a movable member arranged in the pressure oi'l conduit,

which member may cooperate with a' closing' Ashaped tube connected with the lubricant conduit and the free end of whi'ch rests against the valve stem.

In this way an important simplication is obtained, an exact functionating at the same time4 being secured.

In the drawing the invention is nearer explained as follows: i

Fig. 1 shows a section of an embodiment of the invention; t

'Fig 2 shows a sectlon in a plane verti-4 cally to that accordingto Fig. 1.

In a cylinder shaped casing 1, a spiral shaped Hat tube 2 of resilient material is arranged. This tube is fixed with its one end to a piece 3 which by the aid of two screws 4 is attached to one of the side walls of the casingl. The interior of the tube is con,-

nected with a channel in the piece 3 which in its turn ends in a tubular part 5 (Fig. 2)

' in the wall of the casing 1. `In the embodiment according to the drawing thistubular part is provided with screw thread by which it isl screwed in the opening in the wall of 1 is connectof the piece 3, extending through an openlng 6 thev interior .of which isv DUTCH EAST INDIES, ABSIGNOR 0l' ONE- vDUTCH EAST INDIEB.

135,736, and in the Netherlands September 18, 1024.

ply, while at the lower side of the casing 1 the conduit 8 to the --engine is arranged. The valve 9 in the .valve case which may close the connection between the vale case 6 and they casing lis provided with .a stem 10 which touches the free end of the spiral tube 2 as soon as the latter is tensioned owing to the inner oil pressure. If no pressure avalls' in the spiral tube the valve stem does not fuel stream to the engine is interrupted.- If therefore by a derangement in the oil circulation the pressure in the oil conduit and consequently also intthe spiral tube ceases the'valve 9 will be closed and by the interruption of the fuel supply the motor will be stopped.

By means Vof a connection 12 provided wlth a cock 11 between conduits 7 and 8 the lsafety device may be put out of circuit.

. rest on it, and the valve isclosed and the The safety devicevmay be applied to every kind of apparatus for forcelu ricating and in all kinds of combustion engines.

I claim: 1. A safety engines employing pressure lubrication, comprising an oil pressure conduit, a fuel sup ply conduit, a valve in theV fuel supply con-l duit controlling the same, and valve operatin .means including a Bourdon tube within saldxfuel supply conduit'in communication with the oil" pressure conduit.

2. In combination', a safety device for inf ternal combustion engines employing pressure lubrication, lcomprising an oil pressure conduit, a fue'l su ply conduit, a valve in the fuel supply con uit controlllng the same, valve' operating means including a Bourdon tube within said fuel supply conduit in communication with the oil pressure conduit,

device for internal combustion v and a valve controlled normall closed byi lpass for said' fuel supply. con uit, around said safety device.

In testimony whereofI aix my signature. i 

